railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance Average Speed
A car runs 40 minutes at a speed of 45 km/h, next 45 minutes at a speed of 60 km/h and\(1{ {1} \over 2}\) hours at a speed of 50 km/h. The average speed (in km/h) of the car for the whole journey is closest to:
1
52.8
2
52.3
3
51.9
4
51.4